Follow old Turkish governor (4)

I believe the answer is:

obey

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'follow' is the definition.
(I've seen this before)

'old turkish governor' is the wordplay.
'old' becomes 'o' (common abbreviation eg in OE for Old English).
'turkish governor' becomes 'bey' (bey is a kind of governor. I am not sure about the 'turkish' bit.).
'o'+'bey'='OBEY'

Can you help me to learn more?

(Other definitions for obey that I've seen before include "Carry out (an order)" , "Hear" , "Be dominated" , "Perversely inclined to do the opposite" , "Abide by" .)

I've seen this clue in The Sunday Times.

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